python floot float code example

Example 1: python format float

>>> x = 13.949999999999999999
>>> x
13.95
>>> g = float("{:.2f}".format(x))
>>> g
13.95
>>> x == g
True
>>> h = round(x, 2)
>>> h
13.95
>>> x == h
True

Example 2: python is float

def is_number(x):
    '''
        Takes a word and checks if Number (Integer or Float).
    '''
    try:
        # only integers and float converts safely
        num = float(x)
        return True
    except ValueError as e: # not convertable to float
        return False